<!DOCTYPE html>

<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>登录</title>
    </head>
    <body>
        <h3>用户登录</h3>
        <form action="/user/sign/in" method="post" >
            <input type="text" name="username" placeholder="用户名">
            <input type="password" name="password" placeholder="密码">
            <button type="submit">登录</button>
        </form>
    </body>
</html>